Ornamental Cherry: Armillaria root rot Categories: Ornamental Cherry Ornamental Cherry Diseases Ornamental trees Ornamentals Last review date: 2025-06-30 10:16 Last edit date: White fungal mat of Armillaria root rot infecting trunk Photo by: C.R. Foss Biology Armillaria root rot is a fungal disease transmitted between plants by root contact. Armillaria is often found in newly […]
Ornamental Cherry: Bacterial canker Categories: Ornamental Cherry Ornamental Cherry Diseases Ornamental trees Ornamentals Last review date: 2026-08-28 01:33 Last edit date: Bacterial canker on tree trunk Photo by: R.S. Byther Biology Bacterial canker can be found on any part of the tree. The disease causes cankers and dieback of twigs and branches. A typical branch […]
Ornamental Cherry: Brown rot Categories: Ornamental Cherry Ornamental Cherry Diseases Ornamental trees Ornamentals Last review date: 2026-08-28 02:15 Last edit date: Brown rot blossom infection Photo by: R.S. Byther Biology Brown rot is a fungal disease which initially infects the flowers. The petals turn light brown, develop water-soaked spots and may have tan or grayish […]
Ornamental Cherry: Coryneum blight (Shothole) Categories: Ornamental Cherry Ornamental Cherry Diseases Ornamental trees Ornamentals Last review date: 2026-08-28 02:15 Last edit date: Coryneum blight symptoms on leaves and fruit Photo by: R.S. Byther Biology Shothole is a fungal disease typically attacking the leaves of ornamental (flowering) cherries. Lesions are initially dark brown, reddish, or purplish […]
Ornamental Cherry: Leaf spot Categories: Ornamental Cherry Ornamental Cherry Diseases Ornamental trees Ornamentals Last review date: 2026-08-28 02:15 Last edit date: Cherry leaf spot symptoms Photo by: C.R. Foss Biology Leaf spot on cherry first appears as small circular, purple spots on the leaves about the time they reach full size. Infections begin in the […]
Ornamental Cherry: Aphids Categories: Ornamental Cherry Ornamental Cherry Insects Ornamental trees Ornamentals Last review date: 2026-09-29 06:57 Last edit date: Curled, distorted leaves from black cherry aphid feeding Photo by: A.L. Antonelli Biology Several aphids attack flowering cherries, including the black cherry aphid. Black cherry aphids are small black insects which typically feed on the […]
Ornamental Cherry: Apple-and-thorn skeletonizer Categories: Ornamental Cherry Ornamental Cherry Insects Ornamental trees Ornamentals Last review date: 2026-08-29 06:40 Last edit date: Apple-and-thorn skeletonizer caterpillar feeding on leaf Photo by: A.L. Antonelli Biology The apple-and-thorn skeletonizer is a yellow-green caterpillar with small black spots. As a young caterpillar it feeds on the underside of leaves. More […]
Ornamental Cherry: Cherry bark tortrix Categories: Ornamental Cherry Ornamental Cherry Insects Ornamental trees Ornamentals Last review date: 2025-06-30 10:22 Last edit date: Cherry bark tortrix Photo by: T.A. Murray Biology The cherry bark tortrix (CBT) is a pest of most woody ornamental trees and shrubs in the family Rosaceae. CBT attacks Prunus (cherry, plum and […]
Ornamental Cherry: Pear slug Categories: Ornamental Cherry Ornamental Cherry Insects Ornamental trees Ornamentals Last review date: 2026-09-29 06:57 Last edit date: Pear slug and damaged leaf from feeding Photo by: R.D. Akre Biology Pear slugs, or pear sawflies, are insect larvae which resemble a small greenish or black slug. They are typically 1/4″ to 1/2″ […]
Ornamental Cherry: Redhumped caterpillar Categories: Ornamental Cherry Ornamental Cherry Insects Ornamental trees Ornamentals Last review date: 2026-09-29 06:57 Last edit date: Redhumped caterpillars Photo by: A.L. Antonelli Biology The redhumped caterpillar is the larvae of a 1″ gray-brown moth. The mature larvae are yellow with a red head and hump, and have orange, black, and […]